10 of 100 Crossword-Questions containing the word PLANET
___, won't you? (promo line for "The Jetsons") 15-Across, once A CELL THAT CONVERTS SOLAR ENERGY INTO ELECTRICAL ENERGY A HEATING SYSTEM IN WHICH STEAM IS GENERATED IN BOILERS AND PIPED TO RADIATORS A UNIT OF LENGTH USED FOR DISTANCES WITHIN THE SOLAR SYSTEM Altair IV or Krypton, e.g. AN INDISTINCT SURFACE FEATURE OF MARS ONCE THOUGHT TO BE A SYSTEM OF CHANNELS ANY REGION IN SPACE OUTSIDE THE SOLAR SYSTEM Astronomer's sighting BENEATH THE SURFACE OF THE EARTH view all